GB568570A - Improvements relating to controls of aircraft with particular reference to undercarriage and flap control - Google Patents
Improvements relating to controls of aircraft with particular reference to undercarriage and flap controlInfo
- Publication number
- GB568570A GB568570A GB973841A GB973841A GB568570A GB 568570 A GB568570 A GB 568570A GB 973841 A GB973841 A GB 973841A GB 973841 A GB973841 A GB 973841A GB 568570 A GB568570 A GB 568570A
- Authority
- GB
- United Kingdom
- Prior art keywords
- aircraft
- undercarriage
- feeler
- take
- lever
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/02—Undercarriages
- B64C25/08—Undercarriages non-fixed, e.g. jettisonable
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Handcart (AREA)
Abstract
568,570. Controlling aircraft at take-off. KRONFELD, R. July 31, 1941, No. 9738. [Class 4] A take-off control for aircraft comprises a feeler which contacts with the ground while the aircraft is land-borne and is displaced by gravity or spring means as the aircraft rises, this displacement effecting adjustment of the wing-flaps or propeller pitch, the jettisoning or retraction of the undercarriage, and, when the undercarriage is jettisoned, actuating retarding means for the undercarriage. Fig. 6 shows a detachable undercarriage secured to the aircraft by pins 20, 21 connected by links 22, 23 to a lever 24. The lower end of the lover has a roller 28 pressed by a spring 30 against a cam 29 rotatable by a feeler 31 contacting with the ground. The feeler is mounted on a shaft driven by a slipping belt in the opposite direction to the land wheels so that as soon as the machine rises the feeler is depressed and the cam 29 rotated until the lever 24 withdraws the pins 20, 21. The lever simultaneously applies a brake 26. A weight 34 may be connected to the feeler by a cable 35. To prevent bouncing of the undercarriage, the feeler may cause a plane to be tilted upwardly to act both as a brake and to apply downward pressure to the undercarriage, or rockets may be fired upwardly and forwardly, or a parachute-like drag allowed to open. Delay action may be provided in case the aircraft touches down immediately after rising. Fig. 8 shows an undercarriage in two parts coupled together by a releasable coupling 40, 41. When detached from the aircraft the coupling is released and weights 43, or automatically released drogues, cause the two halves to roll apart clear of the track of the aircraft. According to the Provisional Specification, the undercarriage leg or tail wheel may act as a feeler for actuating parts on the aircraft, or a feeler formed of telescopic tubes may be used and the lower tubes jettisoned after take off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB973841A GB568570A (en) | 1941-07-31 | 1941-07-31 | Improvements relating to controls of aircraft with particular reference to undercarriage and flap control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB973841A GB568570A (en) | 1941-07-31 | 1941-07-31 | Improvements relating to controls of aircraft with particular reference to undercarriage and flap control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB568570A true GB568570A (en) | 1945-04-11 |
Family
ID=9877818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB973841A Expired GB568570A (en) | 1941-07-31 | 1941-07-31 | Improvements relating to controls of aircraft with particular reference to undercarriage and flap control |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB568570A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1015319B (en) * | 1954-04-13 | 1957-09-05 | Goodyear Tire & Rubber | Device for shortening the landing distance of an aircraft |
| US4462560A (en) * | 1982-01-26 | 1984-07-31 | The United States Of America As Represented By The Secretary Of The Air Force | Airplane take-off system |
-
1941
- 1941-07-31 GB GB973841A patent/GB568570A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1015319B (en) * | 1954-04-13 | 1957-09-05 | Goodyear Tire & Rubber | Device for shortening the landing distance of an aircraft |
| US4462560A (en) * | 1982-01-26 | 1984-07-31 | The United States Of America As Represented By The Secretary Of The Air Force | Airplane take-off system |
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